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You will learn to:
Perform data cleaning to remove outliers and null values.
Transform raw data into a usable format for data visualization.
Visualize the correlation between sales and external factors.
Visualize past sales data to help identify sales trends.
Skills
Data Visualization
Data Analysis
Data Manipulation
Machine Learning
Prerequisites
Hands-on experience with Python
Basic understanding of data visualization
Familiarity with scikit-learn
Technologies
Python
Pandas
seaborn
Matplotlib
Scikit-learn
Project Description
Data visualization is essential for analyzing sales projections because it turns raw data into insights, providing a clear depiction of the trends that drive business success. These visualizations empower business stakeholders to leverage their data effectively, ensuring sales projections are not only informed by past performance but also offer insights into potential future trajectories.
In this project, we’ll utilize the seaborn library to analyze Walmart sales data, creating visualizations that facilitate sales projections. Seaborn, a Python data visualization library built on Matplotlib, offers a high-level interface for crafting aesthetically pleasing and informative statistical charts. Through seaborn, we will generate various graphs, such as bar charts, line charts, and histograms, to visualize past sales data, identify seasonal trends, and highlight areas for growth or attention. Ultimately, we will conclude the project with the development of a predictive model to forecast weekly sales.
Project Tasks
1
1. Introduction
Task 0: Get Started
Task 1: Import Libraries and Modules
Task 2: Load the Datasets
2
2. Data Transformation
Task 3: Handle Missing Values
Task 4: Merge the Datasets
Task 5: Remove Duplicate Column
Task 6: Remove Outliers
Task 7: Normalize Data
3
Data Visualization
Task 8: Visualize Sales Seasonality
Task 9: Visualize Sales Performance by Type
Task 10: Visualize Sales Performance by Store
Task 11: Visualize Sales Performance by Department
Task 12: Visualize the Correlation Between Sales and Temperature
Task 13: Visualize the Correlation between Sales and Holiday
Task 14: Visualize the Correlation between Sales and Economic Factors
Task 15: Visualize the Correlation between Sales and Markdowns
4
Sales Forecast Modelling
Task 16: Perform Feature Extraction
Task 17: Perform Label Encoding
Task 18: Perform Feature Engineering
Task 19: Train a Model
Task 20: Forecast Sales Using Model
Task 21: Visualize the Model’s Predictions
Congratulations!
Relevant Courses
Use the following content to review prerequisites or explore specific concepts in detail.